68 lines
2.9 KiB
C
68 lines
2.9 KiB
C
// RUN: %clang_cc1 %s -fsyntax-only -verify
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#define AS1 __attribute__((address_space(1)))
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#define AS2 __attribute__((address_space(2), annotate("foo")))
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#define AS_ND __attribute__((address_space(2), noderef))
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#define AS(i) address_space(i)
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#define AS3 __attribute__((AS(3)))
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#define AS5 __attribute__((address_space(5))) char
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void normal_case() {
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int *p = 0;
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__attribute__((address_space(1))) int *q = p; // expected-error{{initializing '__attribute__((address_space(1))) int *' with an expression of type 'int *' changes address space of pointer}}
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}
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char *cmp(AS1 char *x, AS2 char *y) {
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return x < y ? x : y; // expected-error{{conditional operator with the second and third operands of type ('AS1 char *' and 'AS2 char *') which are pointers to non-overlapping address spaces}}
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}
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__attribute__((address_space(1))) char test_array[10];
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void test3(void) {
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extern void test3_helper(char *p); // expected-note{{passing argument to parameter 'p' here}}
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test3_helper(test_array); // expected-error{{passing '__attribute__((address_space(1))) char *' to parameter of type 'char *' changes address space of pointer}}
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}
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char AS2 *test4_array;
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void test4(void) {
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extern void test3_helper(char *p); // expected-note{{passing argument to parameter 'p' here}}
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test3_helper(test4_array); // expected-error{{passing 'AS2 char *' to parameter of type 'char *' changes address space of pointer}}
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}
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void func() {
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char AS1 *x;
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char AS3 *x2;
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AS5 *x3;
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char *y;
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y = x; // expected-error{{assigning 'AS1 char *' to 'char *' changes address space of pointer}}
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y = x2; // expected-error{{assigning 'AS3 char *' to 'char *' changes address space of pointer}}
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y = x3; // expected-error{{assigning '__attribute__((address_space(5))) char *' to 'char *' changes address space of pointer}}
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}
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void multiple_attrs(AS_ND int *x) {
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__attribute__((address_space(2))) int *y = x; // expected-warning{{casting to dereferenceable pointer removes 'noderef' attribute}}
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}
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void override_macro_name() {
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#define ATTRS __attribute__((noderef)) // expected-note{{previous definition is here}}
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ATTRS
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#define ATTRS __attribute__((address_space(1))) // expected-warning{{'ATTRS' macro redefined}}
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ATTRS
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int *x;
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int AS_ND *y = x; // expected-error{{initializing 'AS_ND int *' with an expression of type 'ATTRS int *' changes address space of pointer}}
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}
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void partial_macro_declaration() {
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#define ATTRS2 __attribute__((noderef))
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ATTRS2 __attribute__((address_space(1))) int *x;
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int AS_ND *y = x; // expected-error{{initializing 'AS_ND int *' with an expression of type 'ATTRS2 int __attribute__((address_space(1))) *' changes address space of pointer}}
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// The attribute not wrapped with a macro should be printed regularly.
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#define ATTRS3 __attribute__((address_space(1)))
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ATTRS3 __attribute__((noderef)) int *x2;
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int AS_ND *y2 = x2; // expected-error{{initializing 'AS_ND int *' with an expression of type 'ATTRS3 int * __attribute__((noderef))' changes address space of pointer}}
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}
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